//
// 方法集
// --------------------------------------------------
.animation(@animation){
  -webkit-animation:@animation;
  -moz-animation:@animation;
  -o-animation:@animation;
  animation:@animation;
}

//动画方法
#animate {
  .all(@duration: 1s, @fill-mode: both, @delay: 0s,@alter: nomal,@timing: linear,@iteration: 1,@animation) {
    /*动画时间*/
    -webkit-animation-duration: @duration;
    -moz-animation-duration: @duration;
    -o-animation-duration: @duration;
    animation-duration: @duration;
    /*对象状态(none,forwards,backwards,both)*/
    -webkit-animation-fill-mode: @fill-mode;
    -moz-animation-fill-mode: @fill-mode;
    -o-animation-fill-mode: @fill-mode;
    animation-fill-mode: @fill-mode;
    /*延时动画时间*/
    -webkit-animation-delay: @delay;
    -moz-animation-delay: @delay;
    -o-animation-delay: @delay;
    animation-delay: @delay;
    /*轮流反向播放（normal|alternate）*/
    -webkit-animation-direction:@alter;
    -moz-animation-direction:@alter;
    -o-animation-direction:@alter;
    animation-direction:@alter;
    /*动画曲线(linear|ease|ease-in|ease-out|ease-in-out|cubic-bezier(n,n,n,n)|)*/
    -webkit-animation-timing-function:@timing;
    -moz-animation-timing-function:@timing;
    -o-animation-timing-function:@timing;
    animation-timing-function:@timing;
    /*播放次数(1|N|infinite)*/
    -webkit-animation-iteration-count:@iteration;
    -moz-animation-iteration-count:@iteration;
    -o-animation-iteration-count:@iteration;
    animation-iteration-count:@iteration;
    /*动画名字*/
    -webkit-animation-name: @animation;
    -moz-animation-name: @animation;
    -o-animation-name: @animation;
    animation-name: @animation;

  }
}

// 设置为ie盒子模型
.border-box() {
	box-sizing:border-box;
	-moz-box-sizing:border-box;
	-o-box-sizing:border-box;
	-webkit-box-sizing:border-box;
	-ms-box-sizing:border-box;
}

// ie6,7按钮会被拉宽bug
.ie-button-vis(){
	width: auto;
    _width: 0;
    //overflow:visible !ie;
    overflow:visible !important;
}

//ie6 高度宽度溢出BUG
.ie-size-hidden(){
	_overflow:hidden;
}

//ie6 float元素3px bug
.ie-size-3px(){
	_margin-left:3px;
}

//ie haslayout元素拥有高度
.ie-haslay-noheight(){
	*height:0;
	_overflow:hidden;
}

//inline居中
.center-inline(){
	display:inline-block;
	vertical-align:middle;
}

//  inline-block双倍边距BUG fuck ie!
.ie7-restore-left-whitespace() {
  *margin-left: .3em;
  _margin-left: .3em;
  &:first-child {
    *margin-left: 0;
  }
}

//清除浮动方法
.clearfix() {
		*zoom: 1;
		&:before,
		&:after {
		display: table;
		content: "";
		line-height: 0;
	}
	&:after {
		clear: both;
	}
}

// webkit核心focus效果方法
// ------------------
.tab-focus() {
  // Default
  outline: thin dotted #333;
  // Webkit
  outline: 5px auto -webkit-focus-ring-color;
  outline-offset: -2px;
}

// 居中margin
// ----------------------------------
.center-block() {
  display: block;
  margin-left: auto;
  margin-right: auto;
}

// 无margin
// ---------------------
.no-margin(){
  margin:0;
  padding:0;
}

// IE7 行内块状元素
// ----------------
.ie7-inline-block() {
  *display: inline; /* IE7 inline-block hack */
  *zoom: 1;
}


.ie7-restore-right-whitespace() {
  *margin-right: .3em;
}

// 元素宽高设置
.size(@height, @width) {
  width: @width;
  height: @height;
}

//设置正方形元素
.square(@size) {
  .size(@size, @size);
}

// Placeholder文本各浏览器的颜色设置
// -------------------------
.placeholder(@color: @placeholderText) {
  &:-moz-placeholder {
    color: @color;
  }
  &:-ms-input-placeholder {
    color: @color;
  }
  &::-webkit-input-placeholder {
    color: @color;
  }
}

// 经典元素超出部分以...显示
.text-overflow() {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

// 设置字体属性的方法
// --------------------------------------------------

#font {
  #family {
    .serif() {
      font-family: @serifFontFamily;
    }
    .sans-serif() {
      font-family: @sansFontFamily;
    }
    .monospace() {
      font-family: @monoFontFamily;
    }
  }
  .shorthand(@size: @baseFontSize, @weight: normal, @lineHeight: @baseLineHeight) {
    font-size: @size;
    font-weight: @weight;
    line-height: @lineHeight;
  }
  .serif(@size: @baseFontSize, @weight: normal, @lineHeight: @baseLineHeight) {
    #font > #family > .serif;
    #font > .shorthand(@size, @weight, @lineHeight);
  }
  .sans-serif(@size: @baseFontSize, @weight: normal, @lineHeight: @baseLineHeight) {
    #font > #family > .sans-serif;
    #font > .shorthand(@size, @weight, @lineHeight);
  }
  .monospace(@size: @baseFontSize, @weight: normal, @lineHeight: @baseLineHeight) {
    #font > #family > .monospace;
    #font > .shorthand(@size, @weight, @lineHeight);
  }
}

// Mixin for form field states
.formFieldState(@textColor: #555, @borderColor: #ccc, @backgroundColor: #f5f5f5) {
  // Set the text color
  > label,
  .help-block,
  .help-inline {
    color: @textColor;
  }
  // Style inputs accordingly
  .checkbox,
  .radio,
  input,
  select,
  textarea {
    color: @textColor;
    border-color: @borderColor;
    .box-shadow(inset 0 1px 1px rgba(0,0,0,.075)); // Redeclare so transitions work
    &:focus {
      border-color: darken(@borderColor, 10%);
      // Write out in full since the lighten() function isn't easily escaped
      -webkit-box-shadow: inset 0 1px 1px rgba(0,0,0,.075), 0 0 6px lighten(@borderColor, 20%);
         -moz-box-shadow: inset 0 1px 1px rgba(0,0,0,.075), 0 0 6px lighten(@borderColor, 20%);
              box-shadow: inset 0 1px 1px rgba(0,0,0,.075), 0 0 6px lighten(@borderColor, 20%);
    }
  }
  // Give a small background color for input-prepend/-append
  .input-prepend .add-on,
  .input-append .add-on {
    color: @textColor;
    background-color: @backgroundColor;
    border-color: @textColor;
  }
}



// css3 圆角
// --------------------------------------------------

// 4圆角
.border-radius(@radius) {
  -webkit-border-radius: @radius;
     -moz-border-radius: @radius;
          border-radius: @radius;
}

// 单独圆角
.border-top-left-radius(@radius) {
  -webkit-border-top-left-radius: @radius;
      -moz-border-radius-topleft: @radius;
          border-top-left-radius: @radius;
}
.border-top-right-radius(@radius) {
  -webkit-border-top-right-radius: @radius;
      -moz-border-radius-topright: @radius;
          border-top-right-radius: @radius;
}
.border-bottom-right-radius(@radius) {
  -webkit-border-bottom-right-radius: @radius;
      -moz-border-radius-bottomright: @radius;
          border-bottom-right-radius: @radius;
}
.border-bottom-left-radius(@radius) {
  -webkit-border-bottom-left-radius: @radius;
      -moz-border-radius-bottomleft: @radius;
          border-bottom-left-radius: @radius;
}

// 组合圆角
.border-top-radius(@radius) {
  .border-top-right-radius(@radius);
  .border-top-left-radius(@radius);
}
.border-right-radius(@radius) {
  .border-top-right-radius(@radius);
  .border-bottom-right-radius(@radius);
}
.border-bottom-radius(@radius) {
  .border-bottom-right-radius(@radius);
  .border-bottom-left-radius(@radius);
}
.border-left-radius(@radius) {
  .border-top-left-radius(@radius);
  .border-bottom-left-radius(@radius);
}

// 字阴影
.text-shadow(@shadow) {
  -webkit-text-shadow: @shadow;
     -moz-text-shadow: @shadow;
          text-shadow: @shadow;
}

// 盒阴影
.box-shadow(@shadow) {
  -webkit-box-shadow: @shadow;
     -moz-box-shadow: @shadow;
          box-shadow: @shadow;
}

// 变换
.transition(@transition) {
  -webkit-transition: @transition;
     -moz-transition: @transition;
       -o-transition: @transition;
          transition: @transition;
}

// Transformations
.rotate(@degrees) {
  -webkit-transform: rotate(@degrees);
     -moz-transform: rotate(@degrees);
      -ms-transform: rotate(@degrees);
       -o-transform: rotate(@degrees);
          transform: rotate(@degrees);
}
.scale(@ratio) {
  -webkit-transform: scale(@ratio);
     -moz-transform: scale(@ratio);
      -ms-transform: scale(@ratio);
       -o-transform: scale(@ratio);
          transform: scale(@ratio);
}
.translate(@x, @y) {
  -webkit-transform: translate(@x, @y);
     -moz-transform: translate(@x, @y);
      -ms-transform: translate(@x, @y);
       -o-transform: translate(@x, @y);
          transform: translate(@x, @y);
}
.skew(@x, @y) {
  -webkit-transform: skew(@x, @y);
     -moz-transform: skew(@x, @y);
      -ms-transform: skew(@x, @y);
       -o-transform: skew(@x, @y);
          transform: skew(@x, @y);
}
.translate3d(@x, @y, @z) {
  -webkit-transform: translate3d(@x, @y, @z);
     -moz-transform: translate3d(@x, @y, @z);
       -o-transform: translate3d(@x, @y, @z);
          transform: translate3d(@x, @y, @z);
}

// Backface visibility
// Prevent browsers from flickering when using CSS 3D transforms.
// Default value is `visible`, but can be changed to `hidden
// See git pull https://github.com/dannykeane/bootstrap.git backface-visibility for examples
.backface-visibility(@visibility){
	-webkit-backface-visibility: @visibility;
	   -moz-backface-visibility: @visibility;
	        backface-visibility: @visibility;
}

// Background clipping
// Heads up: FF 3.6 and under need "padding" instead of "padding-box"
.background-clip(@clip) {
  -webkit-background-clip: @clip;
     -moz-background-clip: @clip;
          background-clip: @clip;
}

// Background sizing
.background-size(@size){
  -webkit-background-size: @size;
     -moz-background-size: @size;
       -o-background-size: @size;
          background-size: @size;
}


// Box sizing
.box-sizing(@boxmodel) {
  -webkit-box-sizing: @boxmodel;
     -moz-box-sizing: @boxmodel;
          box-sizing: @boxmodel;
}

// User select
// For selecting text on the page
.user-select(@select) {
  -webkit-user-select: @select;
     -moz-user-select: @select;
      -ms-user-select: @select;
       -o-user-select: @select;
          user-select: @select;
}

// Resize anything
.resizable(@direction) {
  resize: @direction; // Options: horizontal, vertical, both
  overflow: auto; // Safari fix
}

// CSS3 Content Columns
.content-columns(@columnCount, @columnGap: @gridGutterWidth) {
  -webkit-column-count: @columnCount;
     -moz-column-count: @columnCount;
          column-count: @columnCount;
  -webkit-column-gap: @columnGap;
     -moz-column-gap: @columnGap;
          column-gap: @columnGap;
}

// Optional hyphenation
.hyphens(@mode: auto) {
  word-wrap: break-word;
  -webkit-hyphens: @mode;
     -moz-hyphens: @mode;
      -ms-hyphens: @mode;
       -o-hyphens: @mode;
          hyphens: @mode;
}

// Opacity
.opacity(@opacity) {
  opacity: @opacity / 100;
  filter: ~"alpha(opacity=@{opacity})";
}



// 背景渐变兼容ie6
// --------------------------------------------------

// Add an alphatransparency value to any background or border color (via Elyse Holladay)
#translucent {
  .background(@color: @white, @alpha: 1) {
    background-color: hsla(hue(@color), saturation(@color), lightness(@color), @alpha);
  }
  .border(@color: @white, @alpha: 1) {
    border-color: hsla(hue(@color), saturation(@color), lightness(@color), @alpha);
    .background-clip(padding-box);
  }
}

// 按钮背景  ie6:hover默认不改变背景
// ------------------
.buttonBackground(@startColor, @endColor, @textColor: #fff, @textShadow: 0 -1px 0 rgba(0,0,0,.25)) {
  .gradientBar(@startColor, @endColor, @textColor, @textShadow);
  &:hover, &:active, &.active, &.disabled, &[disabled] {
    color: @textColor;
    background-color: @endColor;
  }

  // IE 7 + 8 can't handle box-shadow to show active, so we darken a bit ourselves
  &:active,
  &.active {
    //background-color: darken(@endColor, 10%) e("\9");
    background-color: darken(@endColor, 10%);
  }
}

// Gradient Bar Colors for buttons and alerts
.gradientBar(@primaryColor, @secondaryColor, @textColor: #fff, @textShadow: 0 -1px 0 rgba(0,0,0,.25)) {
  color: @textColor;
  text-shadow: @textShadow;
  #gradient > .vertical(@primaryColor, @secondaryColor);
  border-color:darken(@secondaryColor, 10%);
}

// Gradients
#gradient {
  .horizontal(@startColor: #555, @endColor: #333) {
    background-color: @endColor;
    background-image: -moz-linear-gradient(left, @startColor, @endColor); // FF 3.6+
    background-image: -webkit-gradient(linear, 0 0, 100% 0, from(@startColor), to(@endColor)); // Safari 4+, Chrome 2+
    background-image: -webkit-linear-gradient(left, @startColor, @endColor); // Safari 5.1+, Chrome 10+
    background-image: -o-linear-gradient(left, @startColor, @endColor); // Opera 11.10
    background-image: linear-gradient(to right, @startColor, @endColor); // Standard, IE10
    background-repeat: repeat-x;
    //filter: e(%("progid:DXImageTransform.Microsoft.gradient(startColorstr='%d', endColorstr='%d', GradientType=1)",argb(@startColor),argb(@endColor)));
    filter: ("progid:DXImageTransform.Microsoft.gradient(startColorstr='%d', endColorstr='%d', GradientType=1)",argb(@startColor),argb(@endColor)); // IE9 and down
  }
  .vertical(@startColor: #555, @endColor: #333) {
    background-color: mix(@startColor, @endColor, 60%);
    background-image: -moz-linear-gradient(top, @startColor, @endColor); // FF 3.6+
    background-image: -webkit-gradient(linear, 0 0, 0 100%, from(@startColor), to(@endColor)); // Safari 4+, Chrome 2+
    background-image: -webkit-linear-gradient(top, @startColor, @endColor); // Safari 5.1+, Chrome 10+
    background-image: -o-linear-gradient(top, @startColor, @endColor); // Opera 11.10
    background-image: linear-gradient(to bottom, @startColor, @endColor); // Standard, IE10
    background-repeat: repeat-x;
    //filter: e(%("progid:DXImageTransform.Microsoft.gradient(startColorstr='%d', endColorstr='%d', GradientType=0)",argb(@startColor),argb(@endColor)));
    filter: ("progid:DXImageTransform.Microsoft.gradient(startColorstr='%d', endColorstr='%d', GradientType=0)",argb(@startColor),argb(@endColor)); // IE9 and down
  }
  .directional(@startColor: #555, @endColor: #333, @deg: 45deg) {
    background-color: @endColor;
    background-repeat: repeat-x;
    background-image: -moz-linear-gradient(@deg, @startColor, @endColor); // FF 3.6+
    background-image: -webkit-linear-gradient(@deg, @startColor, @endColor); // Safari 5.1+, Chrome 10+
    background-image: -o-linear-gradient(@deg, @startColor, @endColor); // Opera 11.10
    background-image: linear-gradient(@deg, @startColor, @endColor); // Standard, IE10
  }
  .vertical-three-colors(@startColor: #00b3ee, @midColor: #7a43b6, @colorStop: 50%, @endColor: #c3325f) {
    background-color: mix(@midColor, @endColor, 80%);
    background-image: -webkit-gradient(linear, 0 0, 0 100%, from(@startColor), color-stop(@colorStop, @midColor), to(@endColor));
    background-image: -webkit-linear-gradient(@startColor, @midColor @colorStop, @endColor);
    background-image: -moz-linear-gradient(top, @startColor, @midColor @colorStop*100%, @endColor);
    background-image: -o-linear-gradient(@startColor, @midColor @colorStop, @endColor);
    background-image: linear-gradient(@startColor, @midColor @colorStop, @endColor);
    background-repeat: no-repeat;
    //filter: e(%("progid:DXImageTransform.Microsoft.gradient(startColorstr='%d', endColorstr='%d', GradientType=0)",argb(@startColor),argb(@endColor))); 
    filter: ("progid:DXImageTransform.Microsoft.gradient(startColorstr='%d', endColorstr='%d', GradientType=0)",argb(@startColor),argb(@endColor)); // IE9 and down, gets no color-stop at all for proper fallback
  }
  .radial(@innerColor: #555, @outerColor: #333)  {
    background-color: @outerColor;
    background-image: -webkit-gradient(radial, center center, 0, center center, 460, from(@innerColor), to(@outerColor));
    background-image: -webkit-radial-gradient(circle, @innerColor, @outerColor);
    background-image: -moz-radial-gradient(circle, @innerColor, @outerColor);
    background-image: -o-radial-gradient(circle, @innerColor, @outerColor);
    background-repeat: no-repeat;
  }
  .striped(@color, @angle: 45deg) {
    background-color: @color;
    background-image: -webkit-gradient(linear, 0 100%, 100% 0, color-stop(.25, rgba(255,255,255,.15)), color-stop(.25, transparent), color-stop(.5, transparent), color-stop(.5, rgba(255,255,255,.15)), color-stop(.75, rgba(255,255,255,.15)), color-stop(.75, transparent), to(transparent));
    background-image: -webkit-linear-gradient(@angle, rgba(255,255,255,.15) 25%, transparent 25%, transparent 50%, rgba(255,255,255,.15) 50%, rgba(255,255,255,.15) 75%, transparent 75%, transparent);
    background-image: -moz-linear-gradient(@angle, rgba(255,255,255,.15) 25%, transparent 25%, transparent 50%, rgba(255,255,255,.15) 50%, rgba(255,255,255,.15) 75%, transparent 75%, transparent);
    background-image: -o-linear-gradient(@angle, rgba(255,255,255,.15) 25%, transparent 25%, transparent 50%, rgba(255,255,255,.15) 50%, rgba(255,255,255,.15) 75%, transparent 75%, transparent);
    background-image: linear-gradient(@angle, rgba(255,255,255,.15) 25%, transparent 25%, transparent 50%, rgba(255,255,255,.15) 50%, rgba(255,255,255,.15) 75%, transparent 75%, transparent);
  }
}
// Reset filters for IE
.reset-filter() {
  //filter: e(%("progid:DXImageTransform.Microsoft.gradient(enabled = false)"));
  filter: ("progid:DXImageTransform.Microsoft.gradient(enabled = false)");
}



// COMPONENT MIXINS
// --------------------------------------------------

// Horizontal dividers
// -------------------------
// Dividers (basically an hr) within dropdowns and nav lists
.nav-divider(@top: #e5e5e5, @bottom: @white) {
  // IE7 needs a set width since we gave a height. Restricting just
  // to IE7 to keep the 1px left/right space in other browsers.
  // It is unclear where IE is getting the extra space that we need
  // to negative-margin away, but so it goes.
  *width: 100%;
  height: 1px;
  margin: ((@baseLineHeight / 2) - 1) 1px; // 8px 1px
  *margin: -5px 0 5px;
  overflow: hidden;
  background-color: @top;
  border-bottom: 1px solid @bottom;
}

// Navbar vertical align
// -------------------------
// Vertically center elements in the navbar.
// Example: an element has a height of 30px, so write out `.navbarVerticalAlign(30px);` to calculate the appropriate top margin.
.navbarVerticalAlign(@elementHeight) {
  margin-top: (@navbarHeight - @elementHeight) / 2;
}



// Grid System
// -----------

// Centered container element
.container-fixed() {
  margin-right: auto;
  margin-left: auto;
  .clearfix();
}

// 表格列宽
.tableColumns(@columnSpan: 1) {
  float: none; // undo default grid column styles
  width: @gridColumnWidth * @columnSpan - 8 * @columnSpan; // 8是左右内边距
  margin-left: 0; // undo default grid column styles
}

//表单长度
.formColumns(@columnInput: 1){
	width:@fromWidth * @columnInput;
}

// Make a Grid
// Use .makeRow and .makeColumn to assign semantic layouts grid system behavior
.makeRow() {
  margin-left: @gridGutterWidth * -1;
  .clearfix();
}
.makeColumn(@columns: 1, @offset: 0) {
  float: left;
  margin-left: (@gridColumnWidth * @offset) + (@gridGutterWidth * (@offset - 1)) + (@gridGutterWidth * 2);
  width: (@gridColumnWidth * @columns) + (@gridGutterWidth * (@columns - 1));
}
